chair frame 1,material:aluminum 2,attractive and durable 3,detachable Folding deck chair (Offer to Asia Sourcing Corp)1,material:aluminum2,attractive and durable3,detachableTube diamension: diameter 25.4mm Frames are constructed of sturdy, thick wall, bright dipped anodized al. with 8 legs for added strength. chair frame AS-01 (Offer to Asia Sourcing Corp)